package java7;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;

/**
 * @author a1
 * @create 2018-06-19 23:16
 */
public class CollectionTest {

    public static void main(String[] args) {
        //todo

        List<String>list =new ArrayList<>();

        /**
        List<String> list = ["item"];
        String item = list[0];

        Set<String> set = {"item"};

        Map<String, Integer> map = {"key" : 1};
        int value = map["key"];
         */
    }
}
